Problems from Spotify Challenge 2011

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
All Just A Dream0.022483977103126%5.5Harden
Cat Coat Colors0.001140114334330%6.0Harden
Imperial Measurement0.001474091153137%2.6Easyen
Peer Streaming0.0413002243616%7.1Harden
Playlist0.30125195713414%6.8Harden
Primary Register0.00802099128661%2.3Easyen
Square Pie0.07158064819831%8.0Harden
Wheel Game0.001273053612%7.9Harden